Heart and Circulatory System MCQ Questions and Answers Quiz

11. These are tubes that carry blood back to the heart:

  1. Arteries
  2. Veins
  3. Pipes
  4. Tubas

12. Three risk factors for heart disease cant be controlled. Which of these are they?

  1. Medicine use, vaccines, alcoholism
  2. Age, sex, heredity
  3. Diet, drug use, smoking
  4. None of the above

13. What can happen if blood flow in an artery is blocked or greatly restricted?

  1. Heart palpitations
  2. Stroke
  3. Heart attack
  4. B and C

14. What is considered high blood pressure?

  1. 90/70
  2. 100/80
  3. 110/70
  4. 140/90

15. What organ removes waste from blood?

  1. Heart
  2. Lungs
  3. Eyes
  4. Kidneys

16. What parts act like doors that control blood flow in the heart?

  1. Valves
  2. Heart dams
  3. Kidneys
  4. Chambers

17. What wall separates the left side and right side of the heart?

  1. Ventricle
  2. Atrium
  3. Septum
  4. The great wall

18. Which of these is a cause of heart disease?

  1. Stroke
  2. Arthritis
  3. Thickening of the inside of the arteries
  4. None of the above

19. Which of these is a classic symptom of a heart attack?

  1. Crushing pain in the chest accompanied by sweating
  2. Pain that spreads from the chest to the shoulders, neck, jaw or arms
  3. Indigestion or heartburn, nausea and vomiting
  4. All of the above

20. Why can smoking lead to heart disease?

  1. It causes the arteries to harden and thicken
  2. It reduces HDL (good) cholesterol
  3. It raises blood pressure
  4. All of the above
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